Baltimore Ravens quarterbacks Joe Flacco (5) and Tyrod Taylor walk out of a doorway for NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)

Photo by: Patrick Semansky

Baltimore Ravens quarterbacks Joe Flacco (5) and Tyrod Taylor walk out of a doorway for NFL football practice at the team's training facility in Owings Mills, Md., Friday, Jan. 25, 2013. The Ravens are scheduled to face the San Francisco 49ers in Super Bowl XLVII in New Orleans on Sunday, Feb. 3. (AP Photo/Patrick Semansky)